<template>
  <basic-container>
    <avue-crud
      ref="crud"
      v-model="form"
      :option="tableOption"
      :data="tableData"
      :page.sync="page"
      :table-loading="tableLoading"
      :before-open="handleOpenBefore"
      @on-load="getList"
      @search-change="searchChange"
      @search-reset="searchReset"
      @row-update="update"
      @row-save="create"
    >

      <template slot="menuLeft">
        <el-button
          v-if="roleManager_btn_add"
          class="filter-item"
          type="primary"
          icon="el-icon-edit"
          @click="handleCreate"
        >添加
        </el-button>
        <!-- <el-button
          v-if="permissions.sys_role_export"
          class="filter-item"
          plain
          type="primary"
          size="small"
          icon="el-icon-upload"
          @click="$refs.excelUpload.show()"
        >导入
        </el-button>
        <el-button
          v-if="permissions.sys_role_export"
          class="filter-item"
          plain
          type="primary"
          size="small"
          icon="el-icon-download"
          @click="exportExcel"
        >导出
        </el-button> -->
      </template>
      <template
        slot="dsScopeForm"
        slot-scope="{}"
      >
        <div v-if="form.dsType === 1">
          <el-tree
            ref="scopeTree"
            :data="dsScopeData"
            :check-strictly="true"
            :props="defaultProps"
            :default-checked-keys="checkedDsScope"
            class="filter-tree"
            node-key="id"
            highlight-current
            show-checkbox
          />
        </div>
      </template>

      <template
        slot="menu"
        slot-scope="scope"
      >
        <el-button
          v-if="roleManager_btn_edit"
          type="text"
          size="small"
          icon="el-icon-edit"
          @click="handleUpdate(scope.row,scope.index)"
        >编辑
        </el-button>
        <el-button
          v-if="roleManager_btn_del"
          type="text"
          size="small"
          icon="el-icon-delete"
          @click="handleDelete(scope.row,scope.index)"
        >删除
        </el-button>
        <el-button
          v-if="roleManager_btn_perm"
          type="text"
          size="small"
          icon="el-icon-plus"
          @click="handlePermission(scope.row,scope.index)"
        >权限
        </el-button>
      </template>
    </avue-crud>
    <el-dialog
      :visible.sync="dialogPermissionVisible"
      :close-on-click-modal="false"
      title="分配权限"
    >
      <div class="dialog-main-tree">
        <el-tree
          ref="menuTree"
          :data="treeData"
          :default-checked-keys="checkedKeys"
          :check-strictly="false"
          :props="defaultProps"
          :filter-node-method="filterNode"
          class="filter-tree"
          node-key="id"
          highlight-current
          show-checkbox
          default-expand-all
        />
      </div>
      <div
        slot="footer"
        class="dialog-footer"
      >
        <el-button
          type="primary"
          size="small"
          @click="updatePermession(roleId)"
        >更 新
        </el-button>
        <el-button
          type="default"
          size="small"
          @click="cancal()"
        >取消
        </el-button>
      </div>
    </el-dialog>
    <!--excel 模板导入 -->
    <excel-upload
      ref="excelUpload"
      title="角色信息导入"
      url="/admin/role/import"
      temp-name="角色信息.xlsx"
      temp-url="/admin/sys-file/local/file/role.xlsx"
      @refreshDataList="handleRefreshChange"
    ></excel-upload>
  </basic-container>

</template>

<script>
import {
  addObj,
  delObj,
  fetchList,
  fetchRoleTree,
  permissionUpd,
  putObj,
} from '@/api/admin/role';
import { tableOption } from '@/const/crud/admin/role';
import { fetchTree } from '@/api/admin/dept';
import { fetchMenuTree } from '@/api/admin/menu';
import { mapGetters } from 'vuex';
import ExcelUpload from '@/components/upload/excel';
import crudMixins from '@/mixins/crud';
export default {
  name: 'TableRole',
  components: { ExcelUpload },
  mixins: [crudMixins],
  data() {
    return {
      tableOption: tableOption,
      dsScopeData: [],
      treeData: [],
      checkedKeys: [],
      checkedDsScope: [],
      defaultProps: {
        label: 'name',
        value: 'id',
      },
      menuIds: '',
      form: {},
      roleId: undefined,
      roleCode: undefined,
      rolesOptions: undefined,
      dialogPermissionVisible: false,
      roleManager_btn_add: false,
      roleManager_btn_edit: false,
      roleManager_btn_del: false,
      roleManager_btn_perm: false,
    };
  },
  computed: {
    ...mapGetters(['elements', 'permissions']),
  },
  created() {
    this.roleManager_btn_add = this.permissions['sys_role_add'];
    this.roleManager_btn_edit = this.permissions['sys_role_edit'];
    this.roleManager_btn_del = this.permissions['sys_role_del'];
    this.roleManager_btn_perm = this.permissions['sys_role_perm'];
  },
  methods: {
    exportExcel() {
      this.downBlobFile('/admin/role/export', {}, 'role.xlsx');
    },
    handleRefreshChange() {
      this.getList(this.page);
    },
    getList(page = this.page, params = this.searchForm) {
      this.tableLoading = true;
      fetchList(
        Object.assign(
          {
            current: page.currentPage,
            size: page.pageSize,
            descs: ['create_time'],
          },
          params,
          this.searchForm
        )
      )
        .then((response) => {
          this.tableData = response.data.data.records;
          this.page.total = response.data.data.total;
          this.tableLoading = false;
        })
        .catch(() => {
          this.tableLoading = false;
        });
    },
    handleCreate() {
      this.$refs.crud.rowAdd();
    },
    handleOpenBefore(show, type) {
      window.boxType = type;
      fetchTree().then((response) => {
        this.dsScopeData = response.data.data;
        if (this.form.dsScope) {
          this.checkedDsScope = this.form.dsScope.split(',');
        } else {
          this.checkedDsScope = [];
        }
      });
      show();
    },
    handleUpdate(row, index) {
      this.$refs.crud.rowEdit(row, index);
    },
    cancal() {
      this.dialogPermissionVisible = false;
    },
    handlePermission(row) {
      fetchRoleTree(row.roleId)
        .then((response) => {
          this.checkedKeys = response.data.data;
          return fetchMenuTree();
        })
        .then((response) => {
          this.treeData = response.data.data;
          // 解析出所有的太监节点
          this.checkedKeys = this.resolveAllEunuchNodeId(
            this.treeData,
            this.checkedKeys,
            []
          );
          this.dialogPermissionVisible = true;
          this.roleId = row.roleId;
          this.roleCode = row.roleCode;
        });
    },
    /**
     * 解析出所有的太监节点id
     * @param json 待解析的json串
     * @param idArr 原始节点数组
     * @param temp 临时存放节点id的数组
     * @return 太监节点id数组
     */
    resolveAllEunuchNodeId(json, idArr, temp) {
      for (let i = 0; i < json.length; i++) {
        const item = json[i];
        // 存在子节点，递归遍历;不存在子节点，将json的id添加到临时数组中
        if (item.children && item.children.length !== 0) {
          this.resolveAllEunuchNodeId(item.children, idArr, temp);
        } else {
          temp.push(idArr.filter((id) => id === item.id));
        }
      }
      return temp;
    },
    filterNode(value, data) {
      if (!value) return true;
      return data.label.indexOf(value) !== -1;
    },
    getNodeData(data, done) {
      done();
    },
    handleDelete(row, index) {
      this.$confirm(
        '是否确认删除名称为"' + row.roleName + '"' + '"的数据项?',
        '警告',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning',
        }
      )
        .then(function () {
          return delObj(row.roleId);
        })
        .then(() => {
          this.getList(this.page);
          this.$notify.success('删除成功');
        });
    },
    create(row, done, loading) {
      if (this.form.dsType === 1) {
        this.form.dsScope = this.$refs.scopeTree.getCheckedKeys().join(',');
      }
      addObj(this.form)
        .then(() => {
          this.getList(this.page);
          done();
          this.$notify.success('创建成功');
        })
        .catch(() => {
          loading();
        });
    },
    update(row, index, done, loading) {
      if (this.form.dsType === 1) {
        this.form.dsScope = this.$refs.scopeTree.getCheckedKeys().join(',');
      }
      putObj(this.form)
        .then(() => {
          this.getList(this.page);
          done();
          this.$notify.success('修改成功');
        })
        .catch(() => {
          loading();
        });
    },
    updatePermession(roleId) {
      this.menuIds = '';
      this.menuIds = this.$refs.menuTree
        .getCheckedKeys()
        .join(',')
        .concat(',')
        .concat(this.$refs.menuTree.getHalfCheckedKeys().join(','));
      permissionUpd(roleId, this.menuIds).then(() => {
        this.dialogPermissionVisible = false;
        this.$notify.success('修改成功');
      });
    },
  },
};
</script>

<style lang="scss" scoped>
.el-dialog__wrapper {
  .el-dialog {
    width: 61% !important;

    .dialog-main-tree {
      max-height: 400px;
      overflow-y: auto;
    }
  }

  .el-form-item__label {
    width: 20% !important;
    padding-right: 20px;
  }

  .el-form-item__content {
    margin-left: 20% !important;
  }
}
</style>
